Category: Extremes affecting Italy

Heat wave occuring from August 15 2011 to August 29 2011 at 45.0°N 11.5°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Albania
  • Andorra
  • Austria
  • Bosnia and Herzegovina
  • Croatia
  • Czech Republic
  • France
  • Germany
  • Hungary
  • Italy
  • Montenegro
  • North Macedonia
  • Poland
  • Romania
  • Serbia
  • Slovakia
  • Slovenia
  • Spain
  • Switzerland
  • Ukraine

Duration: 15 days

Time span: August 15 2011 to August 29 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 5.0 °C
  • Mean temperature: 24.9 °C
  • Maximum temperature anomaly: 9.0 °C
  • Maximum temperature: 31.5 °C

Event center: 45.0°N 11.5°E

Area affected: 1621300 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2011-Aug-15_to_2011-Aug-29_11.5_45.0

Cold spell occuring from August 10 2011 to August 21 2011 at 31.0°N 13.5°E

Download data: JSON

Event type: Cold spell

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Algeria
  • Italy
  • Libya
  • Tunisia

Duration: 12 days

Time span: August 10 2011 to August 21 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.1 °C
  • Mean temperature: 27.4 °C
  • Minimum temperature anomaly: -7.1 °C
  • Minimum temperature: 19.9 °C

Event center: 31.0°N 13.5°E

Area affected: 1926577 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Cold_spell_2011-Aug-10_to_2011-Aug-21_13.5_31.0

Cold spell occuring from August 08 2011 to August 12 2011 at 45.0°N 21.0°E

Download data: JSON

Event type: Cold spell

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Austria
  • Bosnia and Herzegovina
  • Croatia
  • Hungary
  • Italy
  • Romania
  • Serbia
  • Slovenia

Duration: 5 days

Time span: August 08 2011 to August 12 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: 17.1 °C
  • Minimum temperature anomaly: -6.3 °C
  • Minimum temperature: 9.8 °C

Event center: 45.0°N 21.0°E

Area affected: 128081 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Cold_spell_2011-Aug-08_to_2011-Aug-12_21.0_45.0

Heat wave occuring from July 08 2011 to August 05 2011 at 30.5°N 19.5°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Albania
  • Algeria
  • Bosnia and Herzegovina
  • Bulgaria
  • Chad
  • Croatia
  • Egypt
  • Greece
  • Hungary
  • Italy
  • Libya
  • Mali
  • Montenegro
  • Niger
  • Nigeria
  • North Macedonia
  • Romania
  • Serbia
  • Slovenia
  • Sudan
  • Tunisia
  • Ukraine

Duration: 29 days

Time span: July 08 2011 to August 05 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.5 °C
  • Mean temperature: 33.4 °C
  • Maximum temperature anomaly: 9.7 °C
  • Maximum temperature: 41.9 °C

Event center: 30.5°N 19.5°E

Area affected: 5119032 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2011-Jul-08_to_2011-Aug-05_19.5_30.5

Cold spell occuring from July 08 2011 to August 30 2011 at 28.0°N 329.0°E

Download data: JSON

Event type: Cold spell

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Algeria
  • Andorra
  • Austria
  • Belgium
  • Bosnia and Herzegovina
  • Croatia
  • Czech Republic
  • Denmark
  • Faroe Islands
  • France
  • Germany
  • Hungary
  • Ireland
  • Italy
  • Madeira
  • Mali
  • Mauritania
  • Morocco
  • Netherlands
  • Poland
  • Portugal
  • Slovakia
  • Slovenia
  • Spain
  • Switzerland
  • United Kingdom

Duration: 54 days

Time span: July 08 2011 to August 30 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 19.4 °C
  • Minimum temperature anomaly: -11.1 °C
  • Minimum temperature: 0.8 °C

Event center: 28.0°N 329.0°E

Area affected: 11460139 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Cold_spell_2011-Jul-08_to_2011-Aug-30_329.0_28.0

Cold spell occuring from June 25 2011 to July 07 2011 at 45.0°N 31.0°E

Download data: JSON

Event type: Cold spell

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Austria
  • Belarus
  • Belgium
  • Bulgaria
  • Croatia
  • Czech Republic
  • Egypt
  • Eritrea
  • Georgia
  • Germany
  • Greece
  • Hungary
  • Iran
  • Iraq
  • Israel
  • Italy
  • Jordan
  • Kuwait
  • Lebanon
  • Luxembourg
  • Moldova
  • Netherlands
  • North Macedonia
  • Palestinian Territory
  • Poland
  • Romania
  • Russian Federation
  • Saudi Arabia
  • Serbia
  • Slovakia
  • Slovenia
  • Sudan
  • Switzerland
  • Syria
  • Turkiye
  • Ukraine

Duration: 13 days

Time span: June 25 2011 to July 07 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: 20.8 °C
  • Minimum temperature anomaly: -9.0 °C
  • Minimum temperature: 1.9 °C

Event center: 45.0°N 31.0°E

Area affected: 4557586 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Cold_spell_2011-Jun-25_to_2011-Jul-07_31.0_45.0

Heat wave occuring from May 08 2011 to June 08 2011 at 29.5°N 349.5°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Austria
  • Canarias
  • Croatia
  • France
  • Italy
  • Mauritania
  • Morocco
  • Portugal
  • Slovenia
  • Spain
  • Switzerland

Duration: 32 days

Time span: May 08 2011 to June 08 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 20.8 °C
  • Maximum temperature anomaly: 10.4 °C
  • Maximum temperature: 35.1 °C

Event center: 29.5°N 349.5°E

Area affected: 2237463 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2011-May-08_to_2011-Jun-08_349.5_29.5

Heat wave occuring from April 14 2011 to May 16 2011 at 44.5°N 355.5°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Andorra
  • Belgium
  • Denmark
  • Faroe Islands
  • France
  • Germany
  • Iceland
  • Ireland
  • Italy
  • Luxembourg
  • Netherlands
  • Norway
  • Portugal
  • Spain
  • Sweden
  • Switzerland
  • United Kingdom

Duration: 33 days

Time span: April 14 2011 to May 16 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.1 °C
  • Mean temperature: 11.8 °C
  • Maximum temperature anomaly: 10.1 °C
  • Maximum temperature: 22.6 °C

Event center: 44.5°N 355.5°E

Area affected: 4924681 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2011-Apr-14_to_2011-May-16_355.5_44.5

Heat wave occuring from March 30 2011 to April 24 2011 at 42.5°N 1.5°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Albania
  • Algeria
  • Andorra
  • Austria
  • Bosnia and Herzegovina
  • Burkina Faso
  • Canarias
  • Croatia
  • Czech Republic
  • Denmark
  • France
  • Germany
  • Hungary
  • Ireland
  • Italy
  • Luxembourg
  • Mali
  • Mauritania
  • Montenegro
  • Morocco
  • Niger
  • Poland
  • Portugal
  • Slovenia
  • Spain
  • Switzerland
  • Tunisia
  • United Kingdom

Duration: 26 days

Time span: March 30 2011 to April 24 2011

Statistics over entire affected area:

  • Mean temperature anomaly: 3.8 °C
  • Mean temperature: 18.0 °C
  • Maximum temperature anomaly: 11.4 °C
  • Maximum temperature: 38.9 °C

Event center: 42.5°N 361.5°E

Area affected: 8959975 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2011-Mar-30_to_2011-Apr-24_1.5_42.5

Cold spell occuring from March 07 2011 to March 14 2011 at 38.5°N 30.5°E

Download data: JSON

Event type: Cold spell

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Albania
  • Bosnia and Herzegovina
  • Bulgaria
  • Croatia
  • Cyprus
  • Egypt
  • Greece
  • Israel
  • Italy
  • Jordan
  • Lebanon
  • Libya
  • Montenegro
  • North Macedonia
  • Romania
  • Saudi Arabia
  • Serbia
  • Sudan
  • Syria
  • Turkiye

Duration: 8 days

Time span: March 07 2011 to March 14 2011

Statistics over entire affected area:

  • Mean temperature anomaly: -5.2 °C
  • Mean temperature: 8.2 °C
  • Minimum temperature anomaly: -13.8 °C
  • Minimum temperature: -12.2 °C

Event center: 38.5°N 30.5°E

Area affected: 3285388 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Cold_spell_2011-Mar-07_to_2011-Mar-14_30.5_38.5